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  <script>
    // 1.  str.split(分隔符)
    // 作用：把字符串分隔，得到一个字符串数组
    const str = 'The quick brown fox jumps over the lazy dog.';

    const words = str.split(' ') // 空格
    console.log(words)

    const str1 = '2022-12-23'
    // split 字符串转数组  join ：数组转字符串
    const arr = str1.split('-')
    console.log(arr)
  </script>
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